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Kanagawa, Japan

Koichi Kawasumi

USPTO Granted Patents = 11

Average Co-Inventor Count = 4.8

ph-index = 4

Forward Citations = 63(Granted Patents)

Location History:

Yokohama, JP (1984)
Kanagawa, JP (1991 - 1999)

Company Filing History:

9 out of 58,132

Sony Corporation

Agency of Industrial Science and Technology

Years Active: 1984-1999

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5978065 - Liquid crystal device and manufacturing method and apparatus therefor (1999-11-02),

2. 5592208 - Printing method and a printing apparatus for carrying out the same (1997-01-07),

3. 5424163 - Picture recording method using a dispersant having coloring agent (1995-06-13),

4. 5374495 - Developer for electrostatic electrophotography (1994-12-20),

5. 5229235 - Electrophotographic process using melted developer (1993-07-20),

6. 5204215 - Wavelength multiplexed optical recording material (1993-04-20),

7. 5153099 - Wavelength multiplexed optical recording material (1992-10-06),

8. 5116714 - Image forming material with developer and photosensitive base on which (1992-05-26),

9. 5075735 - Electrophotographic apparatus using developer that is changed from a (1991-12-24),

10. 5073798 - Electronic photography apparatus (1991-12-17),

11. 4485168 - Photochromic photosensitive composition (1984-11-27),

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